CN1236516A - 采用了增强变换的增强蜂窝消息加密算法的方法和装置 - Google Patents
采用了增强变换的增强蜂窝消息加密算法的方法和装置 Download PDFInfo
- Publication number
- CN1236516A CN1236516A CN98801064A CN98801064A CN1236516A CN 1236516 A CN1236516 A CN 1236516A CN 98801064 A CN98801064 A CN 98801064A CN 98801064 A CN98801064 A CN 98801064A CN 1236516 A CN1236516 A CN 1236516A
- Authority
- CN
- China
- Prior art keywords
- message
- secret
- cmea
- bit
- contrary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/08—Randomization, e.g. dummy operations or using noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/80—Wireless
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5401897P | 1997-07-29 | 1997-07-29 | |
US60/054,018 | 1997-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1236516A true CN1236516A (zh) | 1999-11-24 |
Family
ID=21988232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98801064A Pending CN1236516A (zh) | 1997-07-29 | 1998-07-29 | 采用了增强变换的增强蜂窝消息加密算法的方法和装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6377687B1 (ko) |
EP (1) | EP0928526B1 (ko) |
JP (2) | JP3466204B2 (ko) |
KR (1) | KR100573180B1 (ko) |
CN (1) | CN1236516A (ko) |
BR (1) | BR9806124A (ko) |
CA (1) | CA2266665A1 (ko) |
DE (1) | DE69830646T2 (ko) |
WO (1) | WO1999007103A1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6075859A (en) * | 1997-03-11 | 2000-06-13 | Qualcomm Incorporated | Method and apparatus for encrypting data in a wireless communication system |
JP2001359165A (ja) * | 2000-06-15 | 2001-12-26 | Mitsubishi Electric Corp | モバイル通信システム |
DE10103608A1 (de) * | 2001-01-28 | 2002-08-14 | Audioton Kabelwerk Gmbh | Freisprecheinrichtung für den Betrieb von Mobiltelefonen in Kraftfahrzeugen |
DE10103609A1 (de) * | 2001-01-28 | 2002-08-14 | Audioton Kabelwerk Gmbh | Freisprecheinrichtung für den Betrieb von Mobiltelefonen in Kraftfahrzeugen |
US8023651B2 (en) * | 2003-12-11 | 2011-09-20 | Irdeto B.V. | Block ciphering system, using permutations to hide the core ciphering function of each encryption round |
US20050193197A1 (en) * | 2004-02-26 | 2005-09-01 | Sarvar Patel | Method of generating a cryptosync |
DE602006006072D1 (de) * | 2006-11-22 | 2009-05-14 | Research In Motion Ltd | System und Verfahren für ein sicheres Aufzeichnungsprotokoll unter Verwendung von gemeinsam genutzten Kenntnissen von Mobilteilnehmerberechtigungsnachweisen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1522775A (en) * | 1922-04-14 | 1925-01-13 | William F Friedman | Secret-signaling apparatus for automatically enciphering and deciphering messages |
US1516180A (en) * | 1922-06-05 | 1924-11-18 | William F Friedman | Secret signaling system employing apparatus for automatically enciphering and deciphering messages |
US5159634A (en) * | 1991-09-13 | 1992-10-27 | At&T Bell Laboratories | Cryptosystem for cellular telephony |
WO1993023938A1 (en) * | 1992-05-15 | 1993-11-25 | Tecsec Incorporated | Voice and data encryption device |
GB9211648D0 (en) * | 1992-06-02 | 1992-07-15 | Racal Datacom Ltd | Data communication system |
US5594797A (en) * | 1995-02-22 | 1997-01-14 | Nokia Mobile Phones | Variable security level encryption |
-
1998
- 1998-07-29 CA CA002266665A patent/CA2266665A1/en not_active Abandoned
- 1998-07-29 BR BR9806124-0A patent/BR9806124A/pt unknown
- 1998-07-29 WO PCT/US1998/015883 patent/WO1999007103A1/en active IP Right Grant
- 1998-07-29 JP JP51123599A patent/JP3466204B2/ja not_active Expired - Fee Related
- 1998-07-29 KR KR1019997002699A patent/KR100573180B1/ko not_active IP Right Cessation
- 1998-07-29 US US09/124,300 patent/US6377687B1/en not_active Expired - Lifetime
- 1998-07-29 DE DE69830646T patent/DE69830646T2/de not_active Expired - Lifetime
- 1998-07-29 CN CN98801064A patent/CN1236516A/zh active Pending
- 1998-07-29 EP EP98938164A patent/EP0928526B1/en not_active Expired - Lifetime
-
2003
- 2003-02-13 JP JP2003035739A patent/JP2003263109A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US6377687B1 (en) | 2002-04-23 |
EP0928526B1 (en) | 2005-06-22 |
DE69830646D1 (de) | 2005-07-28 |
JP2000508441A (ja) | 2000-07-04 |
KR100573180B1 (ko) | 2006-04-24 |
EP0928526A1 (en) | 1999-07-14 |
JP3466204B2 (ja) | 2003-11-10 |
DE69830646T2 (de) | 2006-05-11 |
KR20000068663A (ko) | 2000-11-25 |
WO1999007103A1 (en) | 1999-02-11 |
JP2003263109A (ja) | 2003-09-19 |
CA2266665A1 (en) | 1999-02-11 |
BR9806124A (pt) | 1999-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |